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Sulfophthalimide as major metabolite formed from sulfonated phthalocyanine dyes by the white-rot fungus Bjerkandera adusta.
Citation key Heinfling-Weidtmann2001
Author A. Heinfling-Weidtmann and T. Reemtsma and T. Storm and U. Szewzyk
Pages 179–183
Year 2001
DOI 10.1111/j.1574-6968.2001.tb10838.x
Journal FEMS Microbiology Letters
Volume 203
Number 2
Month Sep
Institution Department of Microbial Ecology, Technical University of Berlin, Sekr. OE 5, Franklinstrasse 29, 10587 Berlin, Germany.
Abstract The reaction products formed during the decolorization of the sulfophthalocyanine textile dyes Reactive blue 15 (RB15) and Reactive blue 38 (RB38) by the white-rot fungus Bjerkandera adusta were analyzed by high-performance liquid chromatography with diode array detection and with liquid chromatography-electrospray ionization-tandem mass spectrometry. Sulfophthalimides (SPI; 3 and 4) were identified as major metabolites by comparison with synthesized reference compounds. SPI was formed from both dyes in fungal cultures and by incubation with its purified manganese peroxidase and lignin peroxidase. Quantitative assessment of the SPI formed from RB15 accounted for approximately 60\% of the theoretical amount.
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